11. migratory and marine species - eisdocs.dsdip.qld.gov.au
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i 41/20736/449257 Draft environmental impact statement June 2015
Volume 2 Chapter 11 Migratory and marine species
11. Migratory and marine species
Table of contents
11. Migratory and marine species .................................................................................... i
11.1 Overview .......................................................................................................... 11-1
11.2 Approach and methodology................................................................................. 11-1
11.3 Listed migratory species within the Project footprint ................................................ 11-2
11.3.1 Species predicted to occur ...................................................................... 11-2
11.3.2 Likelihood of occurrence ......................................................................... 11-3
11.3.3 Potential impacts on listed migratory species within the Project footprint ........ 11-6
11.3.3.1 Overview ....................................................................................... 11-6
11.3.3.2 Migratory birds ............................................................................... 11-6
11.3.3.3 Migratory marine species ................................................................. 11-7
11.4 Downstream migratory species ............................................................................ 11-7
11.4.1 Species predicted to occur ...................................................................... 11-7
11.4.2 Potential impacts on downstream migratory species ..................................11-10
11.5 Marine species .................................................................................................11-16
11.5.1 Species predicted to occur .....................................................................11-16
11.5.2 Potential impacts on marine species ........................................................11-18
11.6 Summary.........................................................................................................11-19
Table index
Table 11-1 Key to likelihood of occurrence ................................................................... 11-1
Table 11-2 Listed migratory species potentially present within or near to the Project
footprint................................................................................................... 11-2
Table 11-3 Commonwealth listed migratory species predicted to occur within and
surrounding the Project footprint – likelihood of occurrence ............................. 11-4
Table 11-4 Listed migratory species downstream of the Project footprint ........................... 11-8
Table 11-5 Commonwealth listed migratory marine species downstream of the Project
footprint – potential indirect impacts............................................................11-11
Table 11-6 Listed marine species predicted to occur .....................................................11-16
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11.1 Overview
This chapter provides an assessment of impacts on listed migratory and marine species as a
result of the Lower Fitzroy River Infrastructure Project (Project). Migratory species listed under the
Environmental Protection and Biodiversity Conservation Act 1999 (Cth) (EPBC Act) include
species listed under the Convention on the Conservation of Migratory Species of Wild Animals
(Bonn Convention), the China-Australia Migratory Bird Agreement (CAMBA), the Japan-Australia
Migratory Bird Agreement (JAMBA) and the Republic of Korea-Australia Migratory Bird
Agreement (ROKAMBA). Marine species listed under the EPBC Act occur naturally in the
Commonwealth marine area and although they may not occur within the direct footprint of the
Project, these species are included in this impact assessment to take account of potential indirect
impacts which may affect the long-term conservation of the species.
EPBC Act Protected Matters searches were undertaken for the Project to identify listed migratory
and marine species potentially present within the Project footprint (directly impacted) and
downstream of the Project footprint (indirectly impacted). Impacts on identified migratory and
marine species are assessed in the following sections.
A summary of survey methodologies is provided in Chapter 6 and detailed survey methods are
included within Appendix N and Appendix O.
11.2 Approach and methodology
A description of the existing environmental values of the Project area was achieved using a
combination of desktop assessments and field studies. The desktop assessment comprised a
review of relevant literature, database searches and existing technical reports, available in the
public domain. Field studies were conducted to obtain ecological information relevant to the
Project and to ground truth results from desktop assessments. For conservation significant
migratory and marine species, a likelihood of occurrence assessment (Table 11-1) was
undertaken to focus assessment on those taxa that are known or likely to occur within the Project
footprint. Migratory species listed under the EPBC Act include species listed under the
Convention on the Conservation of Migratory Species of Wild Animals (Bonn Convention), the
China-Australia Migratory Bird Agreement, the Japan-Australia Migratory Bird Agreement and the
Republic of Korea – Australia Migratory Bird Agreement.
The significance of residual impacts, post-mitigation, was evaluated with consideration to the
significance criteria provided in the Matters of National Environmental Significance - Significant
impact guidelines 1.1.
Table 11-1 Key to likelihood of occurrence
Likelihood Category Definition supporting information
High The species or ecological has been
observed w ithin the Project footprint
(know n to occur) or there is a high potential
that a species or ecological community
occurs w ithin the Project footprint (likely to
occur)
Species / community has been recorded during
f ield surveys in the Project footprint
OR
Species has been recorded w ithin the Project
footprint from desktop searches AND suitable
habitat is present in the Project footprint
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Likelihood Category Definition supporting information
Moderate Suitable habitat for a species or ecological
community occurs on the site, but there is
insuff icient information to categorise the
species or ecological community as high or
low potential to occur
Species’ distribution incorporates the Project
footprint (or part(s) thereof) AND potentially
suitable habitat occurs in the Project footprint
Low A very low to low potential that a species or
ecological community occurs w ithin the
Project footprint
Suitable habitat is absent from Project footprint
11.3 Listed migratory species within the Project footprint
11.3.1 Species predicted to occur
EPBC Act Protected Matters searches undertaken for the Project identified 20 migratory species
that are potentially present within or near the Project footprint as shown in Table 11-2. This
includes six species of marine turtles which breed and forage exclusively in estuary/marine
habitat. While these species are not known or likely to occur in the Project footprint, suitable
habitat for these species exists downstream of the Project footprint as discussed in Section 11.4.
Table 11-2 Listed migratory species potentially present within or near to the Project
footprint
Species Common
name EPBC Act status
Predicted to
occur^
Previously
recorded*
Recorded in
Project area
Eden B
ann
Weir t
o
Rookw
ood W
eir
Rookw
ood W
eir
inundatio
n
Eden B
ann
Rookw
ood
Eden B
ann
Rookw
ood
Migratory marine birds
Apus pacificus Fork-tailed
sw ift
Marine, migratory (CAMBA,
JAMBA, ROKAMBA)
Migratory marine species
Crocodylus
porosus
Salt-w ater/
estuarine
crocodile
Marine, migratory (Bonn)
Migratory terrestrial species
Haliaeetus
leucogaster
White-bellied
sea-eagle
Marine, migratory (CAMBA)
Merops
ornatus
Rainbow bee-
eater
Marine, migratory (JAMBA)
Hirundapus
caudacutus
White-throated
needletail Marine, migratory (CAMBA,
JAMBA, ROKAMBA)
Hirundo
rustica
Barn sw allow Marine, migratory (CAMBA,
JAMBA, ROKAMBA)
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Species Common
name EPBC Act status
Predicted to
occur^
Previously
recorded*
Recorded in
Project area
Eden B
ann
Weir t
o
Rookw
ood W
eir
Rookw
ood W
eir
inundatio
n
Eden B
ann
Rookw
ood
Eden B
ann
Rookw
ood
Monarcha
melanopsis
Black-faced
monarch
Marine, migratory (Bonn)
Monarcha
trivirgatus
Spectacled
monarch
Marine, migratory (Bonn)
Myiagra
cyanoleuca
Satin
f lycatcher
Marine, migratory (Bonn)
Rhipidura
rufifrons
Rufous fantail Marine, migratory (Bonn)
Migratory wetland species
Ardea alba Great egret,
w hite egret
Marine, migratory (CAMBA,
JAMBA)
Ardea ibis Cattle egret Marine, migratory (CAMBA,
JAMBA)
Gallinago
hardwickii
Latham's /
Japanese
snipe
Marine, migratory (Bonn,
CAMBA, JAMBA,
ROKAMBA)
Rostratula
benghalensis
Painted snipe Vulnerable, marine,
migratory (CAMBA)
= record supports presence, x = record does not support presence
^ Predicted to occur within proximity to the Project area based on EPBC Act Protected Matters Search Tool
* Previously recorded within proximity to the Project area based on desktop searches
11.3.2 Likelihood of occurrence
Table 11-3 assesses the likelihood of occurrence of migratory species identified as potentially
occurring within or near to the Project footprint. Assessment took account of species habitat
preferences, distribution, previous records from the region and the presence of suitable habitat
within the Project footprint. The likelihood of occurrence assessment criteria is provided in
Chapter 6 Methodology. The likelihood of occurrence assessment filters listed species to focus
impact assessment on taxa that have a high potential (known or likely) to occur within the Project
footprint (Section 11.3.3).
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Table 11-3 Commonwealth listed migratory species predicted to occur within and surrounding the Project footprint – likelihood of occurrence
Species Common name Suitable habitat in Project footprint Likelihood of
occurrence
Migratory marine birds
Apus pacificus Fork-tailed sw ift May be a transient visitor to the Project footprint. How ever unlikely to constitute critical breeding, foraging, roosting or
shelter habitat. The fragmented and disturbed landscape matrix w ithin and adjacent to the project footprint
exacerbates this.
Moderate
Migratory marine species
Crocodylus
porosus
Salt-w ater /
estuarine
crocodile
The Fitzroy River represents marginal habitat for the estuarine crocodile, and is at the southern extreme of the
species’ range in eastern Queensland.
High
Migratory terrestrial species
Haliaeetus
leucogaster
White-bellied
sea-eagle
The species has been previously recorded and w as recorded during survey, how ever the Project footprint is unlikely
to constitute critical breeding, foraging, roosting or shelter habitat. The fragmented and disturbed landscape matrix
w ithin and adjacent to the Project footprint exacerbates this.
High
Merops
ornatus
Rainbow bee-
eater
Know n to occur in the Project footprint, w ith riparian and f loodplain w oodlands providing suff icient nesting, shelter
and foraging resources.
High
Hirundapus
caudacutus
White-throated
needletail May be a transient visitor to the Project footprint. How ever unlikely to constitute critical breeding, foraging, roosting or
shelter habitat. The fragmented and disturbed landscape matrix w ithin and adjacent to the Project footprint
exacerbates this.
Moderate
Hirundo
rustica
Barn sw allow May be a transient visitor to the Project footprint. How ever unlikely to constitute critical breeding, foraging, roosting or
shelter habitat. The fragmented and disturbed landscape matrix w ithin and adjacent to the Project footprint
exacerbates this.
Moderate
Monarcha
melanopsis
Black-faced
monarch
The w oodland and forest communities w ithin the Project footprint are fragmented and there is a lack of suitable
habitat for the black-faced monarch. This species may occur in low numbers w ithin the Project footprint.
Moderate
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Species Common name Suitable habitat in Project footprint Likelihood of
occurrence
Monarcha
trivirgatus
Spectacled
monarch
May be a transient visitor to the Project footprint. How ever the Project footprint is unlikely to constitute critical
breeding, foraging, roosting or shelter habitat. This species has not previously been recorded and w as not recorded
during surveys.
Moderate
Myiagra
cyanoleuca
Satin f lycatcher The w oodland and forest communities w ithin the Project footprint are fragmented and there is a lack of suitable
habitat for the satin f lycatcher. This species may occur in low numbers w ithin the Project footprint.
Moderate
Rhipidura
rufifrons
Rufous fantail The w oodland and forest communities w ithin the Project footprint are fragmented and there is a lack of suitable
habitat for the rufous fantail. This species may occur in low numbers w ithin the Project footprint.
Moderate
Migratory wetland species
Ardea alba Great egret,
w hite egret
Wetland birds including Ardea alba w ere encountered in the Project footprint during surveys. High
Ardea ibis Cattle egret May be transient visitor to the Project footprint. How ever unlikely to constitute critical breeding, foraging, roosting or
shelter habitat. The fragmented and disturbed landscape matrix w ithin and adjacent to the Project footprint
exacerbates this.
Moderate
Gallinago
hardwickii
Latham's snipe,
Japanese snipe
The Project footprint is unlikely to constitute critical breeding, foraging, roosting or shelter habitat. The fragmented
and disturbed landscape matrix w ithin and adjacent to the Project footprint exacerbates this.
Moderate
Rostratula
benghalensis
Painted snipe Potential to occur among reeds in shallow w ater along the edge of the river and adjacent billabongs (e.g. RE 11.3.3,
11.3.25) how ever this species has not previously been recorded and w as not recorded during surveys.
Moderate
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11.3.3 Potential impacts on listed migratory species within the Project footprint
11.3.3.1 Overview
The Matters of National Environmental Significance Significant impact guidelines 1.1 (DoE 2013)
indicate that an action will require approval if the action has, will have, or is likely to have a
significant impact on a listed migratory species. An action is likely to have a significant impact on
a migratory species if there is a real chance or possibility that it will:
Substantially modify (including by fragmenting, altering fire regimes, altering nutrient cycles or
altering hydrological cycles), destroy or isolate an area of important habitat for a migratory
species
Result in an invasive species that is harmful to the migratory species becoming established in
an area of important habitat for the migratory species
Seriously disrupt the lifecycle (breeding, feeding, migration or resting behaviour) of an
ecologically significant proportion of the population of a migratory species.
An area of ‘important habitat’ for a migratory species is considered to be one or more of the
following:
Habitat used by a migratory species occasionally or periodically within a region that supports
an ecologically significant proportion of the population of the species
Habitat that is of critical importance to the species at particular life-cycle stages
Habitat utilised by a migratory species which is at the limit of the species range
Habitat within an area where the species is declining.
11.3.3.2 Migratory birds
The Project footprint is inhabited by a diversity of common woodland, wetland and forest bird
species listed as migratory under the EPBC Act. Common terrestrial species such as the white-
bellied sea-eagle (Haliaeetus leucogaster) and the rainbow bee-eater (Merops ornatus) occur in
the Project footprint, with riparian and floodplain woodlands providing nesting, shelter and
foraging resources. Wetland birds including the great egret (Ardea alba) were observed within the
Project footprint during surveys.
A number of migratory species predicted to occur in the Project footprint based on bioclimatic
modelling were not recorded during field surveys, and have not been previously recorded in the
desktop search area. As the woodland and forest communities relevant to these species are
fragmented within the Project footprint, and given the lack of suitable habitat for some species
(such as black-faced monarch (Monarcha melanopsis), satin flycatcher (Myiagra cyanoleuca) and
rufous fantail (Rhipidura rufifrons)), these species may only occur at low densities or not at all
within the Project footprint. Other species such as the fork-tailed swift (Apus pacificus) and white-
throated needletail (Hirundapus caudacutus) may be transient visitors to the Project footprint,
however due to their predominantly aerial lifestyle, are difficult to record.
While utilised by a number of common migratory species, the Project footprint is unlikely to
constitute critical breeding, foraging, roosting or shelter habitat for these species (Appendix J
Eden Bann Weir Baseline Terrestrial Fauna Report and Appendix K Rookwood Weir Baseline
Terrestrial Fauna Report). Loss of riparian vegetation upstream of the proposed weir sites is
considered unlikely to impact on these species. The fragmented and disturbed landscape matrix
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within and adjacent to the Project footprint exacerbates this. As such, the woodland, forest and
aquatic habitats within the Project footprint are not considered critical habitat for the migratory
species known to occur within or near to the Project footprint.
11.3.3.3 Migratory marine species
The Fitzroy River represents marginal habitat for the estuarine crocodile (Crocodylus porosus),
and is at the southern extreme of the species’ range in eastern Queensland. While present in low
numbers, survey results indicate that the existing Eden Bann Weir impoundment supports a
greater density of estuarine crocodiles than upstream and downstream reaches of the Fitzroy
River (Britton 2007). The availability of permanent, deep water and shelter and foraging resources
has been cited as explanations for the observed higher density of crocodiles within the Eden
Bann Weir impoundment (Britton 2007).
Due to the fact that this estuarine crocodile population is at the limit of the species’ range and is a
breeding population, the Fitzroy River should be considered ‘important habitat’ for the species as
defined in the Matters of National Environmental Significance Significant impact guidelines 1.1
(DoE 2013). While habitat modification as a result of the Project is likely to have short-term
impacts on the species it is unlikely to result in long-term negative impacts to the population, and
in fact may serve to benefit the population through the provision of more deep water habitat and
linear shoreline (Britton 2007).
Poor nesting success has been identified as the primary factor limiting population growth in the
Fitzroy River estuarine crocodile population (Britton 2007). This is as a result of limited suitable
nesting habitat, flooding of nest sites and nest predation. The inundation of vegetated islands and
riparian fringes upstream of the proposed Eden Bann and Rookwood developments may further
reduce nesting habitat resources in the short-term. However, inundation of terrestrial
environments is likely to create new islands which are likely to support crocodile nesting when
suitable habitat (i.e. vegetation) establishes. In particular, permanent inundation of depressions in
the riparian zone and adjacent to creeks may represent suitable crocodile nesting habitat with the
establishment of dense vegetation within 10 m to 20 m of the water body. Due to the longevity of
estuarine crocodiles, it is not anticipated that a short-term loss of some potential nesting habitat
will detrimentally impact the viability of the population upstream of Eden Bann Weir, with several
years of little or no recruitment unlikely to result in a notable decline in the population.
In summary, the Project is not considered likely to have a significant impact on the estuarine
crocodile. Short-term impacts to nesting habitat are likely to be ameliorated by the creation of new
nesting habitat over a time frame which is unlikely to detrimentally affect the viability of the
population (namely due to the species’ longevity). Habitat modification may in fact benefit the
species – the existing Eden Bann Weir impoundment is a highly productive system that supports
the most notable estuarine crocodile population in the Fitzroy Basin. The provision of similar
habitat upstream of the existing Eden Bann Weir impoundment and upstream of Rookwood Weir
may allow for a higher carrying capacity for the species in the study area.
11.4 Downstream migratory species
11.4.1 Species predicted to occur
Table 11-4 outlines the listed migratory species that were predicted to occur downstream of Eden
Bann Weir based on the results of the EPBC Act Protected Matters Search Tool. These searches
were undertaken to take account of potential indirect impacts on migratory species downstream of
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the Project footprint. The two searches conducted included from Eden Bann Weir to the Fitzroy
Barrage (including Alligator Creek) and from the Fitzroy Barrage to the Fitzroy River estuary.
While predicted to occur based on the EPBC Act Protected Matters Search Tool, many of the
migratory marine species identified in Table 11-4 would not occur in the freshwater area between
Eden Bann Weir and the Fitzroy Barrage (such as sea turtles). Similarly, a number of the
migratory marine species predicted to occur downstream of the Fitzroy Barrage are unlikely to
use habitats within the Fitzroy River estuary and, if present, are likely to be only transient visitors
(Section 11.4.2).
Table 11-4 Listed migratory species downstream of the Project footprint
Species Common name EPBC Act listing status
Predicted to occur*
Eden Bann
Weir to
Fitzroy
Barrage
Fitzroy
Barrage to
Fitzroy
Estuary
Migratory marine birds
Apus pacificus Fork-tailed sw ift Marine, migratory (CAMBA,
JAMBA, ROKAMBA)
Macronectes
giganteus
Southern giant-petrel Endangered, marine,
migratory (Bonn)
Puffinus carneipes Flesh-footed shearw ater, f leshy-
footed shearw ater
Marine, migratory (JAMBA,
ROKAMBA)
Sterna albifrons Little tern Marine, migratory (Bonn,
CAMBA, JAMBA, ROKAMBA)
Migratory marine species
Crocodylus
porosus
Salt-w ater crocodile,
estuarine crocodile Marine, migratory (Bonn)
Caretta caretta Loggerhead turtle Endangered, marine,
migratory (Bonn)
Chelonia mydas Green turtle Vulnerable, marine, migratory
(Bonn)
Dermochelys
coriacea
Leatherback turtle,
leathery turtle
Endangered, marine,
migratory (Bonn)
Eretmochelys
imbricata
Haw ksbill Turtle Vulnerable, marine, migratory
(Bonn)
Lepidochelys
olivacea
Olive Ridley turtle,
Pacif ic Ridley turtle
Endangered, marine,
migratory (Bonn)
Natador
depressus
Flatback turtle Vulnerable, marine, migratory
(Bonn) ^
Lamna nasus Porbeagle, mackerel
shark
Migratory (Bonn)
Dugong dugon Dugong Marine, migratory (Bonn)
Balaenoptera
edeni
Bryde's w hale Cetacean, migratory (Bonn)
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Species Common name EPBC Act listing status
Predicted to occur*
Eden Bann
Weir to
Fitzroy
Barrage
Fitzroy
Barrage to
Fitzroy
Estuary
Megaptera
novaeangliae
Humpback w hale Vulnerable, cetacean,
migratory (Bonn)
Orcaella
heinsohni
(previously
Orcaella
brevirostris)
Australian snubfin
dolphin
Cetacean, migratory (Bonn)
Orcinus orca Killer w hale, orca Cetacean, migratory (Bonn)
Rhincodon typus Whale shark Vulnerable, migratory (Bonn)
Sousa chinensis Indo-Pacif ic
humpback dolphin
Cetacean, migratory (Bonn)
Migratory terrestrial species
Haliaeetus
leucogaster
White-bellied sea-
eagle
Marine, migratory (CAMBA)
Hirundapus
caudacutus
White-throated
needletail
Marine, migratory (CAMBA,
JAMBA, ROKAMBA)
Hirundo rustica Barn sw allow Marine, migratory (CAMBA,
JAMBA, ROKAMBA)
Merops ornatus Rainbow bee-eater Marine, migratory (JAMBA)
Monarcha
melanopsis
Black-faced monarch Marine, migratory (Bonn)
Monarcha
trivirgatus
Spectacled monarch Marine, migratory (Bonn)
Myiagra
cyanoleuca
Satin f lycatcher Marine, migratory (Bonn)
Rhipidura rufifrons Rufous fantail Marine, migratory (Bonn)
Migratory wetland species
Ardea alba Great egret, w hite
egret
Marine, migratory (CAMBA,
JAMBA)
Ardea ibis Cattle egret Marine, migratory (CAMBA,
JAMBA)
Gallinago
hardwickii
Latham's snipe,
Japanese snipe
Marine, migratory (Bonn,
CAMBA, JAMBA, ROKAMBA)
Rostratula
benghalensis
Painted snipe Vulnerable, marine, migratory
(CAMBA)
= record supports presence, x = record does not support presence
* Predicted to occur downstream of the Project area based on EPBC Act Protected Matters Search Tool
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11.4.2 Potential impacts on downstream migratory species
Downstream impacts relating to changes in flow regimes, erosion, sedimentation and water
quality are discussed in Chapter 8 General impacts. Downstream impacts on the Great Barrier
Reef World Heritage Area are discussed in Chapter 9 World Heritage properties and National
Heritage places. The Fitzroy River system is representative of a modified environment where no
significant changes to downstream environments are anticipated.
The Project will not significantly alter environmental flows and will not result in loss or
fragmentation of habitats, increased predation or the introduction or spread of invasive weeds
downstream (Chapter 8 General impacts). No change in existing conditions will be achieved
through appropriate weir design and the implementation of mitigation and management measures
(Volume 1, Chapter 13 Environmental management system).
As shown in Table 11-5, migratory marine birds are predicted to occur within the Fitzroy River
area. These species are transient visitors and as such, the area does not contain habitats of
unique ecological value to these species. No impacts on migratory marine birds are predicted.
No significant impacts on migratory marine species are anticipated as a result of the Project
(Table 11-5). The Fitzroy River area does not contain habitat critical to the survival of loggerhead
turtle (Caretta caretta), green turtle (Chelonia mydas), leatherback turtle (Dermochelys coriacea),
hawksbill turtle (Eretmochelys imbricate) or olive Ridley turtle (Lepidochelys olivacea). Nesting
habitat for the flatback turtle (Natador depressus) exists on Curtis Island and Peak Island adjacent
to the Fitzroy River estuary. The Project will not significantly alter existing conditions downstream
of the Project, therefore the nesting habitats on Curtis Island and Peak Island will not be impacted
by the Project.
It is unlikely that porbeagles (Lamna nasus), whale sharks (Rhincodon typus) or killer whales
(Orcinus orca) would use habitats downstream of the Project footprint. Bryde’s whales
(Balaenoptera edeni) and humpback whales (Megaptera novaeangliae), if present, are likely to be
only transient visitors.
The Fitzroy River estuary region is a habitat of relatively important conservation value for the
Australian snubfin dolphin (Orcaella heinsohni) and is home to the southernmost resident
population of this species in Australian waters (Cagnazzi 2013). Similarly, suitable habitat for
Indo-Pacific humpback dolphin (Sousa chinensis) exists in the Fitzroy River estuary. The Project
will not alter downstream flows or impact habitat within the Fitzroy River estuary and no long term
changes to water quality are anticipated. Accordingly no significant indirect impacts on these
species are predicted.
The Fitzroy River estuary has not been observed to support high numbers of dugong (Dugong
dugon) consistent with the absence of seagrass for the area. The waters do, however, provide
habitat observed to support low density dugong populations (Marsh et al. 2005; Grech and Marsh
2007). As for protected dolphin species, no downstream impacts to flows or water quality are
predicted which could potentially affect habitat dugong are dependent upon. Accordingly, no
significant impacts on dugongs are predicted.
As discussed in Section 11.2.3.3, the Project will not alter downstream flows or suitable habitat for
the estuarine crocodile within the Fitzroy Barrage or the Fitzroy River estuary.
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Table 11-5 Commonwealth listed migratory marine species downstream of the Project footprint – potential indirect impacts
Species Common
name
Distribution and abundance Suitable habitat dow nstream of Project
footprint
Potential indirect impacts
Migratory marine birds
Apus
pacificus
Fork-tailed
sw ift
The fork-tailed sw ift has a w ide distribution
centred w ithin the Indo-West Pacif ic. Within
Queensland it is know n from Cape York Peninsula
south to Brisbane (DoE 2013a). They are common
w est of the Great Diving Range.
They are found predominantly over inland
plains but are know n to occur above foothills
and coastal areas. There is no know n record
of the species breeding w ithin Australia.
The fork-tailed sw ift is likely to only use
the dow nstream habitats of the Project
area as a transient visitor, particularly
for foraging. As such, the area does not
contain habitats of unique ecological
value to the species. No signif icant
impact is predicted.
Macronectes
giganteus
Southern
giant-petrel
The southern giant-petrel has a circumpolar
distribution in the Southern Ocean. The species
(predominantly juveniles) occur in subtropical and
sometimes tropical w aters during w inter months
(Walbridge 2012). The species is rare in
Queensland.
The southern giant petrel occurs in coastal
and oceanic w aters. How ever, in recent
years the species has become extremely
rare in Queensland w aters (Walbridge 2012).
The southern giant-petrel is likely to
only use the dow nstream habitats of the
Project area as a transient visitor. As
such, the area does not contain
habitats of unique ecological value to
the species. No signif icant impact is
predicted.
Puffinus
carneipes
Flesh-
footed
shearw ater
, f leshy-
footed
shearw ater
The flesh-footed shearw ater is an Indo-West
Pacif ic species found in southern Indian Ocean
and south-w estern Pacif ic ocean habitats. Locally,
it is a common transient visitor to w aters off the
continental shelf of south-w est Western Australia
and southern Queensland (DoE 2013b).
As this species is predominantly found in
offshore islands such as Norfolk Island and
Lord How e Island, habitats dow nstream of
the Project are unlikely to house this species
in high numbers.
The f lesh-footed shearw ater is likely to
only use the dow nstream habitats of the
Project area as a transient visitor. As
such, the area does not contain
habitats of unique ecological value to
the species. No signif icant impact is
predicted.
Sterna
albifrons
Little tern The little tern has a w idespread distribution
throughout Europe, Africa, Asia and Australia. In
Queensland, there is a southern and northern
population, w ith the northern population breeding
from Mackay and into the Gulf of Carpentaria
(Homes 2012).
Little terns inhabit sheltered coastal
environments in Australia. Dow nstream of
the Project area this may include the estuary,
river mouth, harbours and inlets, especially
those w ith exposed sandbanks or sand-spits.
Little terns are w idespread on islands off the
The little tern is likely to only use the
dow nstream habitats of the Project area
as a transient visitor. Therefore, the
area does not contain habitats of
unique ecological value to the little tern.
No signif icant impact is predicted.
11-12 Draft environmental impact statement June 2015
Volume 2 Chapter 11 Migratory and marine species
41/20736/449257
Species Common
name
Distribution and abundance Suitable habitat dow nstream of Project
footprint
Potential indirect impacts
Northern Territory coast and appear less
often on offshore continental islands or coral
cays off Queensland (DoE 2013c). The little
tern may be a transient visitor dow nstream of
the Project.
Migratory marine species
Balaenopter
a edeni
Bryde’s
w hale
Bryde's Whale is a pelagic species found in
tropical and w arm temperate w aters (Kato 2002).
There are tw o forms of the species, w ith the
coastal form limited to w aters 200 m or shallow er.
The offshore form is found in deeper w ater (Best
et al. 1984).
No specif ic feeding or breeding grounds
have been discovered off Australia and
therefore insuff icient information exists as to
how Australian Bryde's Whales use their
habitat (DoE 2013d). There is an inshore and
offshore form of the w hale. The inshore form
is more likely to use habitat dow nstream of
the Project area if suitable prey stock is
available. The Bryde’s w hale may pass
through dow nstream of the Project area.
Bryde’s w hale, if present, is likely to
only be a transient visitor w ithin
dow nstream habitats of the Project
footprint. The area does not represent
habitats of unique ecological value to
the w hale. No signif icant impact on this
species is predicted.
Caretta
caretta
Loggerhea
d turtle
The loggerhead turtle has a circumglobal
distribution throughout tropical to temperate
w aters. It is found in a range of habitats along the
entire Queensland coastline, including coral and
rocky reefs, sea grass meadow s and soft bottom
sand and mud expanses (Miller and Limpus
2012a). There are three know n breeding
aggregations in Queensland w ater (Miller and
Limpus 2012a).
It is unlikely that any breeding behaviour
including migrations to breeding sites,
nesting, and hatchling survivorship w ill be
affected by the Project. This is due to the
know n breeding aggregations occurring at
Mon Repos, the Capricorn Bunker group
w ithin the Great Barrier Reef and from
Sw ains Reef off Mackay. The species may
be a transient visitor for foraging, as it w as
observed in near shore w aters in Gladstone
(GHD 2009).
The Fitzroy River estuary area does not
contain habitats that provide a unique
ecological service for the loggerhead
turtle. Therefore, no signif icant impacts
are predicted.
Chelonia
mydas
Green
turtle
The green turtle has a circumglobal distribution in
all tropical and subtropical oceans. It is distributed
throughout Queensland and occurs in shallow
coastal areas such as coral and rocky reefs, sea
As w ith the loggerhead turtle, no know n
nesting aggregations occur dow nstream of
the Project, w ith the nearest breeding
aggregation w ithin the Capricorn Bunker
The Fitzroy River estuary area does not
contain habitats that provide a unique
ecological service for the green turtle.
Therefore, no signif icant impacts are
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Volume 2 Chapter 11 Migratory and marine species
Species Common
name
Distribution and abundance Suitable habitat dow nstream of Project
footprint
Potential indirect impacts
grass areas and intertidal and subtidal sand and
mud expanses (Miller and Limpus 2012b).
group of the Great Barrier Reef. The
loggerhead turtle is likely to be a transient
visitor for foraging w ithin areas dow nstream
of the Project.
predicted.
Crocodylus
porosus
Salt-w ater
crocodile,
estuarine
crocodile
The estuarine crocodile is found throughout
Northern Australia and southern Papua New
Guinea. Within Queensland w aters it is found from
Gladstone north, throughout tropical regions and
the Gulf of Carpentaria (Read, 2012). It is
relatively abundant throughout tropical
Queensland, particularly north of Cairns, w here
nesting habitats are more favourable (Read 2012).
The species has been found 130 km
upstream w ithin the Fitzroy River, and is
know n to occur throughout the estuaries of
the low er Fitzroy River and surrounds.
The Project w ill not alter dow nstream
flow s or the suitability of habitat for this
species w ithin the Fitzroy Barrage or
the Fitzroy River estuary area. This
species is know n to persist upstream
and dow nstream of existing movement
barriers. No signif icant impacts are
predicted.
Dermochelys
coriacea
Leatherbac
k turtle,
leathery
turtle
The leatherback turtle is the most w idely
distributed marine turtle, occurring in circumglobal
tropical, sub-tropical and temperate w aters (Miller
and Limpus 2012c). Within Australian w aters, the
species is know n from all states, w ith a higher
abundance in southern states.
The species occurs from coastal w aters into
the offshore pelagic zone. Although nesting
attempts have been w itnessed in southern
Queensland (Miller and Limpus 2012c), the
species is thought to occur in Australia
largely for foraging.
The Fitzroy River estuary area does not
contain habitats that provide a unique
ecological service for the leatherback
turtle. Therefore, no signif icant impacts
are predicted.
Dugong
dugon
Dugong The dugong is distributed throughout the tropical
and subtropical Indo-West Pacif ic. The majority of
the w orld’s remaining dugong occur in Northern
Australia, from Moreton Bay in Queensland
through to Shark Bay in Western Australia (Marsh
et al. 2012).
Dugongs are found in coastal w aters, as w ell
as estuarine creeks and streams and have
been tracked travelling w ithin creeks
upstream for several kilometres (DoE
2013e). The Fitzroy River estuary has not
been observed to support high numbers of
dugong consistent w ith the absence of
seagrass for the area (GHD 2009; Grech and
Marsh 2007).
The Fitzroy River estuary area does not
represent habitat that provides a unique
ecological service for the dugong. The
w aters provide a habitat observed to
support low density dugong populations
(Marsh et al. 2005; Grech and Marsh
2007). No signif icant impacts are
predicted.
Eretmochely
s imbricata
Haw ksbill
Turtle
The haw ksbill turtle has a circumglobal distribution
and is found from tropical to temperate w aters.
The species occurs predominantly on coral and
rocky reefs. There are 72 know n haw ksbill turtle
As the species is heavily reliant on rocky and
coral reefs, they are uncommon in other
coastal areas. Additionally, their nesting
grounds w ithin Queensland w aters occur in
The haw ksbill turtle is likely to only be a
transient visitor w ithin dow nstream
habitats of the Project area. Therefore,
the area does not contain habitats of
11-14 Draft environmental impact statement June 2015
Volume 2 Chapter 11 Migratory and marine species
41/20736/449257
Species Common
name
Distribution and abundance Suitable habitat dow nstream of Project
footprint
Potential indirect impacts
nesting locations in Queensland w aters, w ith all
occurring in the northern Great Barrier Reef and
into the Gulf of Carpentaria and Torres Strait
(Miller and Limpus 2012d).
the northern Great Barrier Reef (Miller and
Limpus 2012d). How ever, they may be
transient visitors to the region dow nstream of
the Project.
unique ecological value to the species.
No signif icant impact is predicted.
Lamna
nasus
Porbeagle,
mackerel
shark
The porbeagle has a circumglobal distribution in
the subtropical and temperate w aters of the
southern hemisphere. Given its occurrence in
cooler w aters, it is know n only from southern
Queensland, most likely during w inter months
(Kyne and Curtis 2012).
The porbeagle shark occurs mainly on
continental shelves and oceanic regions
(Last and Stevens 2009). As such, the
species is unlikely to be found in shallow
coastal w aters of southern Queensland.
It is unlikely that the porbeagle w ould
use habitats dow nstream of the Project
area. Therefore, no signif icant impacts
are predicted to occur.
Lepidochelys
olivacea
Olive
Ridley
turtle,
Pacif ic
Ridley
turtle
The olive Ridley turtle has a circumglobal
distribution, predominantly in tropical and
subtropical w aters. Along eastern Australia, the
species occurs predominantly in the Great Barrier
Reef (Miller and Limpus 2012e).
The olive Ridley turtle is found w ithin the
w aters of the Great Barrier Reef. Although
the dow nstream area of the Project footprint
may form foraging habitat, it is unlikely to be
a major component of the species life
history. Within Queensland w aters, nesting
sites are only know n from the w estern Cape
York Peninsula.
The olive Ridley turtle is likely to be
only a transient visitor w ithin
dow nstream habitats of the Project
area. As such, the area does not
contain habitats of unique ecological
value to the species. No signif icant
impact is predicted.
Megaptera
novaeanglia
e
Humpback
w hale
The humpback w hale has a circumglobal
distribution in tw o separate southern and northern
hemisphere populations. They are found in
Queensland w ater during late autumn to spring
months, follow ing a migration pathw ay from
Antarctica (Bannister 2012). Calving is likely to
occur w ithin the Great Barrier Reef.
The humpback w hale is a transient visitor to
Queensland w aters, follow ing northern
migrations from Antarctica. They largely
occur w ithin 100 m depths until Hervey Bay,
w here they are assumed to spread out
across the Great Barrier Reef and central
and northern Queensland w aters (Bannister
2012).
Preferred habitat for the humpback
w hale is not w ithin the Fitzroy River
estuary and this species is unlikely to
be present in the dow nstream area
except as a transient visitor during peak
migration. No signif icant impacts are
predicted to the GBRWHA (Chapter 9).
No signif icant impact on this species is
predicted.
Natador
depressus
Flatback
turtle
The f latback turtle is an Indo-West pacif ic species
know n from tropical w aters of Papua New Guinea
and Indonesia and tropical and subtropical w aters
of Australia. The only reported nesting sites for
In Queensland, the f latback turtle is relatively
w idespread, w ith major nesting sites
occurring in Cape York, central and southern
Queensland, including Curtis Island and
The f latback turtle is likely to be a
transient visitor w ithin dow nstream
habitats. While nesting occurs on
nearby Curtis Island and Peak Island
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Volume 2 Chapter 11 Migratory and marine species
Species Common
name
Distribution and abundance Suitable habitat dow nstream of Project
footprint
Potential indirect impacts
this species occur in Australia, located on inshore
continental islands (Curtis 2012).
Peak Island adjacent to the Fitzroy River
estuary.
the Project w ill not impact these
habitats. No signif icant impact on this
species is predicted.
Orcaella
heinsohni
Australian
snubfin
dolphin
The Australian snubfin dolphin is endemic to
northern Australian w aters and Papua New
Guinea. In Australia, this species occurs in
shallow coastal areas often near estuaries and
river mouths from southern Queensland to mid
north Western Australia (Van Dyck and Strahan
2008). As they are a recently described species,
little is know n of their ecology or population size.
The Fitzroy River estuary is a habitat of
relatively important conservation value for
the Australian snubfin dolphin and is home to
the southernmost resident population of this
species in Australian w aters (Cagnazzi
2013).
The Project w ill not alter dow nstream
flow s or impact on habitat w ithin the
Fitzroy River estuary. No signif icant
indirect impacts on this species as a
result of changes to w ater quality are
anticipated.
Orcinus orca Killer
w hale,
orca
The killer w hale is a circumglobal species, found
in all oceans. Within Australia, the killer w hale is
typically distributed in temperate and subtropical
w aters, w ith transient specimens found in tropical
w aters (DoE 2013e).
In Australia, Killer Whales are usually found
along the continental slope and on the shelf,
particularly near seal colonies (DoE 2013e).
It is unlikely the killer w hale w ould use
habitat dow nstream of the Project area
and therefore no signif icant impacts are
predicted to occur.
Rhincodon
typus
Whale
shark
Whale sharks have a circum-global distribution
w ithin tropical, sub-tropical and w arm temperate
w aters (Last and Stevens 2009). Found along the
entire Queensland coast as transient individuals.
Know n to occur w ithin the Great Barrier Reef and
Osprey Reef (Meekan and Speed et al. 2012).
Uncommon in other regions.
Although w hale sharks occur in coastal and
pelagic environments, they are uncommon in
coastal w aters of Queensland. Rather their
know n aggregations are from the outer Great
Barrier Reef and offshore reefs such as
Osprey Reef (Meekan and Speed et al.
2012).
It is unlikely that w hale sharks w ould
use habitats dow nstream of the Project
area. Therefore, no signif icant impacts
are predicted to occur.
Sousa
chinensis
Indo-
Pacif ic
humpback
dolphin
Indo-Pacif ic humpback dolphins are found
throughout coastal w aters of Queensland,
Northern Territory and Western Australia. Off the
east and northern coast of Queensland the
distribution of this species appears to be
continuous (DoE 2013f).
As w ith the snub f in dolphin, suitable habitat
for this species exists in the Fitzroy River
estuary.
The Project w ill not alter dow nstream
flow s or impact on habitat w ithin the
Fitzroy River estuary. No signif icant
indirect impacts on this species as a
result of changes to w ater quality are
anticipated.
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Volume 2 Chapter 11 Migratory and marine species
11.5 Marine species
11.5.1 Species predicted to occur
Table 11-6 outlines the listed marine species that were predicted to occur within and downstream
of the Project footprint based on the results of the EPBC Act Protected Matters Search Tool.
Marine species that are also listed as migratory are addressed in Section 11.4 and are not
repeated here. Only two listed marine bird species, the magpie goose (Anseranas semipalmata)
and the osprey (Pandion haliaetus), were predicted to occur within the Project footprint and
downstream to the Fitzroy Barrage. All other listed marine species comprising marine fish and
marine reptiles were predicted to occur downstream of the Fitzroy Barrage, however, it is unlikely
that these species utilise habitat within the Fitzroy River estuary.
Table 11-6 Listed marine species predicted to occur
Species Common name
Predicted to occur^
Rookw ood
Weir
inundation
Eden Bann
Weir to
Rookw ood
Weir
Eden Bann
Weir to
Fitzroy
Barrage
Fitzroy
Barrage
to Fitzroy
Estuary
Marine birds
Anseranas
semipalmata
Magpie goose
Pandion haliaetus Osprey
Marine fish
Acentronura
tentaculata
Shortpouch pygmy pipehorse
Campichthys tryoni Tryon's pipefish
Choeroichthys
brachysoma
Pacif ic short-bodied pipefish,
short-bodied pipefish
Corythoichthys
amplexus
Fijian banded pipefish,
brow n-banded pipefish
Corythoichthys
flavofasciatus
Reticulate pipefish, yellow -
banded pipefish, netw ork
pipefish
Corythoichthys
haematopterus
Reef-top pipefish
Corythoichthys
intestinalis
Australian messmate
pipefish, banded pipefish
Corythoichthys
ocellatus
Orange-spotted pipefish,
ocellated pipefish
Corythoichthys
paxtoni
Paxton's pipefish
Corythoichthys
schultzi
Schultz's pipefish
Doryrhamphus
excisus
Bluestripe pipefish, Indian
blue-stripe pipefish, Pacif ic
blue-stripe pipefish
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Volume 2 Chapter 11 Migratory and marine species
Species Common name
Predicted to occur^
Rookw ood
Weir
inundation
Eden Bann
Weir to
Rookw ood
Weir
Eden Bann
Weir to
Fitzroy
Barrage
Fitzroy
Barrage
to Fitzroy
Estuary
Festucalex cinctus Girdled pipefish
Filicampus tigris Tiger pipefish
Halicampus
dunckeri
Red-hair pipefish, Duncker's
pipefish
Halicampus grayi Mud pipefish, Gray's pipefish
Halicampus nitidus Glittering pipefish
Halicampus
spinirostris
Spiny-snout pipefish
Hippichthys
cyanospilos
Blue-speckled pipefish, blue-
spotted pipefish
Hippichthys
heptagonus
Madura pipefish, reticulated
freshw ater pipefish
Hippichthys
penicillus
Beady pipefish, steep-nosed
pipefish
Hippocampus
bargibanti
Pygmy seahorse
Hippocampus kuda Spotted seahorse, yellow
seahorse
Hippocampus
planifrons
Flat-face seahorse
Hippocampus
zebra
Zebra seahorse
Lissocampus runa Javelin pipefish
Micrognathus
andersonii
Anderson's pipefish,
shortnose pipefish
Micrognathus
brevirostris
Thorntail pipefish, thorn-
tailed pipefish
Nannocampus
pictus
Painted pipefish, reef pipefish
Solegnathus
hardwickii
Pallid pipehorse, Hardw ick's
pipehorse
Solenostomus
cyanopterus
Robust ghostpipefish, blue-
finned ghost pipefish,
Solenostomus
paegnius
Rough-snout ghost pipefish
Solenostomus
paradoxus
Ornate ghostpipefish,
harlequin ghost pipefish,
ornate ghost pipefish
Syngnathoides
biaculeatus
Double-end pipehorse,
double-ended pipehorse,
alligator pipefish
11-18 Draft environmental impact statement June 2015
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41/20736/449257
Species Common name
Predicted to occur^
Rookw ood
Weir
inundation
Eden Bann
Weir to
Rookw ood
Weir
Eden Bann
Weir to
Fitzroy
Barrage
Fitzroy
Barrage
to Fitzroy
Estuary
Trachyrhamphus
bicoarctatus
Bentstick pipefish, bend stick
pipefish, shorttailed pipefish
Marine reptiles
Acalyptophis
peronii
Horned seasnake
Aipysurus duboisii Dubois' seasnake
Aipysurus eydouxii Spine-tailed seasnake
Aipysurus laevis Olive seasnake
Astrotia stokesii Stokes' seasnake
Disteira kingii Spectacled seasnake
Disteira major Olive-headed seasnake
Emydocephalus
annulatus
Turtle-headed seasnake
Hydrophis elegans Elegant seasnake
Lapemis hardwickii Spine-bellied seasnake
Laticauda colubrina A sea krait
Laticauda
laticaudata
A sea krait
Pelamis platurus Yellow -bellied seasnake
= record supports presence, x = record does not support presence
^ Predicted to occur within proximity to the Project area based on EPBC Act Protected Matters Search Tool
11.5.2 Potential impacts on marine species
The magpie goose has been previously recorded in desktop searches and was recorded during
surveys, however the Project footprint is unlikely to constitute critical breeding, foraging, roosting
or shelter habitat for this species. The osprey may be a transient visitor to the Project footprint
however this species has not previously been recorded in desktop searches and was not
recorded during surveys.
The Fitzroy River estuary is representative of a modified environment and no significant change to
downstream environments is anticipated as a result of the Project. The Project is not predicted to
have long-term effects on or alter downstream flows, water quality or impact on habitat within the
Fitzroy River estuary. Accordingly no significant indirect impacts on marine fish and marine
reptiles listed in Table 11-6 are anticipated. Any short term impacts to water quality as a result of
construction works will be managed in accordance with project specific management plans to
avoid impact.
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Volume 2 Chapter 11 Migratory and marine species
11.6 Summary
EPBC Act Protected Matters searches undertaken for the Project identified 14 migratory species
that are potentially present within or near the Project footprint. Of these, four species are known to
occur in the Project footprint:
Estuarine crocodile
White-bellied sea-eagle
Rainbow bee-eater
Great egret, white egret.
Of the 49 marines species identified through the EPBC Act Protected Matters searches, only two
listed marine bird species, the magpie goose and the osprey, were predicted to occur within the
Project footprint.
The Project is not considered likely to have a significant impact on the estuarine crocodile. Short -
term impacts to nesting habitat are expected to be ameliorated by the creation of new nesting
habitat over a time frame which is unlikely to detrimentally affect the viability of the population
(namely due to the species’ longevity). The existing Eden Bann Weir impoundment is a highly
productive system for crocodiles and supports the most notable estuarine crocodile population in
the Fitzroy Basin. The provision of similar habitat upstream of the existing Eden Bann Weir
impoundment and upstream of Rookwood may allow for a higher carrying capacity for the species
in the area.
While utilised by a number of common migratory and marine bird species, the landscape matrix
within and adjacent to the Project footprint is fragmented and disturbed. As such, the woodland,
forest and aquatic habitats within the Project footprint are not considered critical breeding,
foraging, roosting or shelter habitat for the migratory species known to occur within or near to the
Project footprint.
While a number of migratory marine species were predicted to occur downstream of the Project
footprint based on the EPBC Act Protected Matters Search Tool, most would not occur in the
freshwater section of the river between Eden Bann Weir and the Fitzroy Barrage. Similarly, a
number of the migratory marine species predicted to occur downstream of the Fitzroy Barrage are
unlikely to use habitats within the Fitzroy River estuary and if present are likely to be only
transient visitors.
The Fitzroy River system is representative of a modified environment and no significant change to
downstream environments is anticipated as a result of the Project. Therefore no significant
impacts to downstream migratory and marine species are expected.